diff options
| author | Sven Schnelle <svens@stackframe.org> | 2019-04-07 20:10:58 +0200 |
|---|---|---|
| committer | Helge Deller <deller@gmx.de> | 2019-05-03 23:47:39 +0200 |
| commit | 8858ac8e9e9b1894f7bb218bc0035532371b8d7e (patch) | |
| tree | 27e8dd1cac87b4bf316be5945bf45485cad21926 /arch/parisc/kernel/traps.c | |
| parent | ea1afe339a2b1260aa31a4d100155d4403446704 (diff) | |
parisc: Implement kprobes
Implement kprobes support for PA-RISC.
Signed-off-by: Sven Schnelle <svens@stackframe.org>
Signed-off-by: Helge Deller <deller@gmx.de>
Diffstat (limited to 'arch/parisc/kernel/traps.c')
| -rw-r--r-- | arch/parisc/kernel/traps.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/parisc/kernel/traps.c b/arch/parisc/kernel/traps.c index 4a0516524f2a..096e319adeb3 100644 --- a/arch/parisc/kernel/traps.c +++ b/arch/parisc/kernel/traps.c @@ -43,6 +43,7 @@ #include <asm/tlbflush.h> #include <asm/cacheflush.h> #include <linux/kgdb.h> +#include <linux/kprobes.h> #include "../math-emu/math-emu.h" /* for handle_fpe() */ @@ -294,6 +295,14 @@ static void handle_break(struct pt_regs *regs) (tt == BUG_TRAP_TYPE_NONE) ? 9 : 0); } +#ifdef CONFIG_KPROBES + if (unlikely(iir == PARISC_KPROBES_BREAK_INSN)) { + parisc_kprobe_break_handler(regs); + return; + } + +#endif + #ifdef CONFIG_KGDB if (unlikely(iir == PARISC_KGDB_COMPILED_BREAK_INSN || iir == PARISC_KGDB_BREAK_INSN)) { @@ -528,6 +537,11 @@ void notrace handle_interruption(int code, struct pt_regs *regs) /* Recovery counter trap */ regs->gr[0] &= ~PSW_R; +#ifdef CONFIG_KPROBES + if (parisc_kprobe_ss_handler(regs)) + return; +#endif + #ifdef CONFIG_KGDB if (kgdb_single_step) { kgdb_handle_exception(0, SIGTRAP, 0, regs); |